Bforartists 0.9.1 released

Bforartists Version 0.9.1 is a bug fix release that fixes some show stoppers. Bforartists did not compile at Linux because of wrong Python version. The addons in the Testing category didn't show. And quite a few addons didn't work anymore.

The hotkey map was here and there flawed. And not loger in sync with the manual. This keymap manual part is also updated to the latest version now. Affected is the chapter 2.1 Bforartists Standard Keymap.pdf . Most important change is that the Q key now toggles the 3D widget. While the former to Q assigned rectangle zoom is not longer hotkeyed.